<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link rel="stylesheet" href="color-area.css">

</head>

<body>
    <div class="container">
        <div class="darkred_1">1</div>
        <div class="aqua_2">2</div>
        <div class="burlywood_3">3</div>
        <div class="blueviolet_4">4</div>
        <div class="cornflowerblue_5">5</div>

        <div class="darkblue_6">6</div>
        <div class="red">7</div>
        <div class="chartreuse_8">8</div>
        <div class="darkblue_10">10</div>

        <div class="aqua_11">11</div>
        <div class="darkred_9">9</div>

        <div class="burlywood_12">12</div>
        <div class="cornflowerblue_13">13</div>
        <div class="coral_14">14</div>

        <div class="chartreuse_15">15</div>
        <div class="darkolivegreen_16">16</div>
        <div class="blueviolet_17">17</div>
        <div class="coral_18">18</div>
    </div>
</body>

</html>